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You searched for: mediatype:texts AND collection:magazine_rack AND subject:"Amateur Radio"
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[texts]73 Magazine (Holiday 1976) - Wayne Green
73 Magazine (Holiday Issue 1976) (#195) Build This Inexpensive 400 Watt Amplifier - a pair of shoes never hurts W7SCD How Do You Use ICs? - part V WA2SUT/ NNN0ZVB Mobile Smokey Detector - 10.5 GHz:use it or lose it W1SNN Get a Kid Off the Streets - and in to ham radio WA1GFJ Add RIT to Your Transceiver - a must for CW operators Staff Coronaries for Burglars - with this cheapo car alarm WB60DS Power Supply - versatile WB4EHG DXpedition : Memories for a Lifetime - reflections of HKITL K3JJZ Secret...
Keywords: amateur radio ham magazine pdf
Downloads: 2,077
[texts]73 Magazine (December 2000) - Wayne Green
73 Magazine (December 2000) (#481) Announcing the Yingling ET-1 - W2UW More than a Modem Monitor- W7RXV , Inside DigitalTVNCR Tuners - W6WTU Part 4 Skinflint Lightning Arrestors - K8IHQ Angel Voices- KC6JGS Introducing the Perfective 1 - Laughlin
Keywords: 73-magazine; ham; radio; amateur radio; magazine
Downloads: 1,121
[texts]73 Magazine (November 1989)
73 Magazine November 1989 (#350) Sing for the unsung Heroes - Let's recognize our clubs selfless volunteers! ...... K5CVD 36 1989 Holiday Wish List - Some of the best values for holiday gifts ...... 73 Staff 60 FLAVORIG! - Have a Radio Shack Flavoradio? Turn it into a 80-meter CW transceiver! ...... KBlUM 12 The Bitchaser - Build this versatile piece of test equipment for digital circuitry ...... K4OND 18 Bargain Audio Frequency Meter - $10 and an easy evening of home-brew gets you this very use...
Keywords: radio; amateur; mhz; antenna; frequency; ham; amateur radio; feedback card; ham radio; power supply; dual band; radio shack
Downloads: 3,070
[texts]73 Magazine (December 1988)
73 Magazine December 1998 (#459) Probing Auto Electronics - Help your neighbor identify his car's problem and be an electronic's hero! ...... W6WTU 10 Announcing the QRPeanut - Here's a compact QRP transmatch you can build for next to nothing ...... N5GZH 14 Keys to Better Operating - Yes, much of it is common sense ...... W6BNB 17 Electronic Bug Emulator - Put some personality back into your CW ........
Keywords: radio; amateur; antenna; mhz; frequency; battery; icom; amateur radio; feedback card; power supply; ham radio; packet radio; antenna tuner
Downloads: 2,541
[texts]73 Magazine (September 1987)
73 Magazine September 1987 (#324) Radio At Green Bank - This remote site in West Virginia is home to one of the most impressive collections of radio antennas in the world ...... AJ0N 16 A Foldover Cheapie - Convert scrap water pipe to a 40-foot fold-over antenna tower! ...... KF4BI 19 Out-of-the-Ordinary QTH's - Here are some ideas to help you gel out on your portable antenna - when you really need to ........
Keywords: radio; antenna; amateur; mhz; antennas; repeater; vhf; band; amateur radio; power supply; green bank; packet radio; kansas city; ham radio
Downloads: 2,064
[texts]73 Magazine (November 1990)
73 Magazine November 1990 (#362) The Roll-Up 10-20 Antenna - Just right for portable QRP ...... WV8R 12 Working the World with 2 Milliwatts - The ultimate QRP challenge ...... KI6DQ 14 The FIRE-BALL QRP Rig - 50 milliwatts of pure power ...... WB8ELK 18 The Firecaler Milliwattmeter - Calibrate your mini-QRP rig ...... WB0ESV 22 The Smoke Detector Receiver - Turn the FIRE-BALL into a complete transceiver ........
Keywords: radio; amateur; antenna; mhz; ham; repeater; meter; power; amateur radio; radio today; feedback card; ham radio; power supply; front panel
Downloads: 2,564
[texts]73 Magazine (July 1988)
73 Magazine July 1988 (#334) Code Test Sure Shot - Pass 5wpm without learning code! ...... KA0NTK(SK) 10 Sequential Two-Tone Encoder - Easy encoder project ...... WB7CPT 14 Novice Band Nets - Check in and upgrade, too ...... W6DDB 18 How To Improve Code Speed - Learn from others' hard work ...... W9NGP 21 Direction Finding Loop - T-hunt antenna in a can ...... WA4UZM 22 Morse Code Motivation - Pointers for teachers from a teacher ........
Keywords: radio; amateur; mhz; code; antenna; net; ham; frequency; amateur radio; morse code; ham radio; feedback card; power supply; packet radio
Downloads: 2,032
[texts]73 Magazine (April 1993)
73 Magazine April 1993 (#391) Mini-Quad Loops - Three-fifths-size loops with full-size performance ...... NH6XK 10 Copper Dual-Band Super J-Pole Antenna - Build it in less than an hour ...... KA0NAN 12 HR2510 Hi-Power Modrtication - Increase the performance of this popular HF rig ...... Merrill 17 10 Meter X-Beam - Upgrade your antenna as well as your license ...... N5SJZ 18 Lightweight, Collapsible Quad for 2 Meters - Excellent performance in a small package ........
Keywords: radio; amateur; antenna; mhz; ham; frequency; tor; amateur radio; radio today; ham radio; packet radio; flea market; surface mount; card circle; matching case
Downloads: 2,076
[texts]73 Magazine (July 1989)
73 Magazine July 1989 (#346) 10 Meter Survival Guide - The lowdown on this versatile HF band ...... N8DNX 12 "Black Bag" Portable - QRP OSCAR station on the go ...... N6DGK 26 Harmonic History - Ham children lead unique lives ...... O'Connell 28 Inexpensive Hardline - Build this Z match and save a bundle ...... KA9LNV 16 Four In/Five Out - Independently adjustable mixed audio outputs ...... KA0LDB 37 Good Mobile Audio-For Pennies - Easy way to feed rig audio to your car speaker system ........
Keywords: mhz; antenna; amateur; radio; frequency; ham; repeater; avt; center; connector; amateur radio; feedback card; avt system; ham radio; front panel; gaas fet; center conductor; power supply
Downloads: 1,877
[texts]73 Magazine (November 1999)
73 Magazine November 1999 (#469) Need a UHF Dipper? - Part 2: Coupling to an outside environment ...... W6WTU 10 Planning a DXpedition - Here's what to do if you take Wayne's advice ...... W4DC 14 Why No Beta-Morse? - An amusing way to preserve your Morse code ...... VE2MHZ 18 Building a Better Collins - Add this $1 solid state replacement part to your 30S1 ...... W2CQM 19 Isotron Notes - Simple tips straight from the Hart ........
Keywords: radio; amateur; loop; antenna; power; mhz; kit; thai; battery; amateur radio; radio today; sense loop; feedback card; morse code; ham radio; high power; web site; spread spectrum
Downloads: 2,400
[texts]73 Magazine (May 1990)
73 Magazine May 1990 (#356) SAREX-90 - Ham-In-Space Shuttle Missions ...... W3IWI, WA4SIR, W3XO 9 Sharing the Adventure with Young People - Maritime ham classroom with a conscience ...... KA1UKM 18 An Interview with Carole Perry, WB2MGP - Who's new in ham radio ...... KB2IGG 20 The Biggest Ham Country-Japan - Plus 9600 baud packet and tree antennas ...... WA1LBP 24 Tri-State Anti-Drug Air Show - Amateur radio ops say "Yes" to " Say no" ........
Keywords: radio; amateur; ham; mhz; ihe; antenna; hams; kit; amateur radio; ham radio; met day; feedback card; power supply; packet radio; teur radio; young people
Downloads: 2,286
[texts]73 Magazine (August 1992)
73 Magazine August 1992 (#383) The ViewPort VGA Color SSTV System - At last- a versatile slow-scan TV program and interface for the IBM PC ...... KA2PYJ 8 The Compact-A-Loop Antenna - 80 meters for the apartment dweller ...... G2BZQ 18 ATV Transmitter, Part I - Get on ATV easily and cheaply ...... K2MQJ, KA2CWL 22 The Explorer - HF receiver for 40 and 80 meters ...... K5WMS 30 Digital ALC - A simple way to get the best out of any transmitter ......N7APE 36 A Frequency Counter Upgrade - Accuracy ...
Keywords: amateur; mhz; radio; antenna; ihe; frequency; fax; audio; ham; amateur radio; radio today; power supply; feedback card; ham radio; antenna tuner; radio shack; ground plane
Downloads: 1,870
[texts]73 Magazine (April 1996)
73 Magazine April 1996 (#427) 440 Super J-Pole Antenna - Here's a great club project ...... KA0NAN 10 The Hentenna - An easy construction project and a chance to experiment ...... KA0DAQ 14 The Big Loopy Skywire - Cheap and simple, with a bodacious signal ...... NH6XK 18 Easy to Build 10m Beam - The Sun-spots are coming. The Sun-spots are coming ...... N6CJU 20 Johnson Matchbox Renaissance - A flea market winner! Or, build one yourself ........
Keywords: antenna; amateur; radio; meter; mhz; ham; ihe; antennas; frequency; amateur radio; radio today; feedback card; flea market; ham radio; cold fusion; feed point; corner beam
Downloads: 1,703
[texts]73 Magazine (February 1985)
73 Magazine February 1985 (#293) VIC RTTY Resource - Is your VIC-20 ready for RTTY? Make it happen with N5ALE's foolproof software! ...... N5ALE 12 Satellite Supremacy - Sometimes 15 Watts just doesn't cut it with OSCAR 10. The solution? Use W2GEF's 60-Watt uplink amp-stripline construction makes building it a snap! ...... W2GEF 18 CB to Six - Why stop at 10 meters? KB5LF's Hy-Gain conversion will take you to VHF just as easily ........
Keywords: antenna; mhz; amateur; frequency; radio; ihe; receiver; ham; amateur radio; transmitter; power supply; utc february; smart patch; turn control; ham radio; private patch; signal generator
Downloads: 2,122
[texts]73 Magazine (December 1990)
73 Magazine December 1990 (#363) Behold the BackPacket! - Go take a hike with packet radio ...... NW6H 9 Upgrade Your HD-4040 - KISS your Heath HD-4040 and keep AX.25 too! ...... N2BLI 19 The VOX Plus HT Accessory - Enjoy base station performance -with your HT! ...... WA2EBY 24 Pack Your Seabag, "Sparks" - Do you want to be a ship's Radio Officer? ...... N0MM 35 Audio Powered Tape Recorder Controller - Add convenience to your hamshack ......KE0UV 54 Ten-Tee's Hercules II Model 420 - Turn your ri...
Keywords: radio; amateur; antenna; ham; audio; mhz; frequency; ihe; power; amateur radio; radio today; ham profiles; power supply; ham radio; feedback card; profiles ham; tape recorder
Downloads: 3,178
[texts]73 Magazine (June 1991)
73 Magazine June 1991 (#369) Three Bands With One Rock - Versatile QRP transmitter for 80, 40 and 20m ...... WW9X 10 Tune in on Philately - Immortalized in stamps ...... Schuessler 14 A Pseudo CW Filter - Be good to your ears ...... WR5B 18 Build the Brass Pounder's Keyer - A memory keyer that reproduces your true CW "fist" ...... AA6GG 22 SPSM Mobile Mount - Build this reliable Hustler classic ........
Keywords: radio; amateur; ham; antenna; mhz; power; repeater; amateur radio; radio today; power supply; feedback card; ham radio; radio shack; print spaces; warc bands
Downloads: 2,126
[texts]73 Magazine (March 1999)
73 Magazine March 1999 (#462) The Pluck of the Irish - Was Wee Mac a leprechaun or a pirate-or both? ...... K9AZG 10 Transmitting Ferrite Loop for 80/160 - Thirty years of experimenting ...now it's your turn! ...... G2BZQ 14 Signals From the Ice: Now That's Really Cool! - Here's what happens when hams meet Alaska's Matanuska Glacier ...... KL7JR 20 Anti-Metric? - You already use it more than you think! ........
Keywords: radio; amateur; antenna; frequency; filter; metric; ferrite; ham; power; amateur radio; radio today; power supply; feedback card; ham radio; web site; straight key; metric system
Downloads: 1,856
[texts]73 Magazine (January 2000)
73 Magazine January/Feb 2000 (#471) New Millennium Wish List - A budget-conscious guide to exploring new amateur radio horizons ...... K4TWJ 10 Buffalo Springs Lake Half-Ironman Triathlon - Ham PR at its best ...... KC5VKB 14 Junk Box Audio Test Generator - This scavenged helper is easy to build and fun to use ...... Sellen 22 Read All About It! - Part 2 of good stuff from The Hertzian Herald ........
Keywords: radio; mhz; amateur; frequency; meter; qrp; ham; antenna; noise; power; amateur radio; radio today; noise figure; ham radio; web site; feedback card; low power; ten meter; flea market
Downloads: 1,897
[texts]73 Magazine (January 1994)
73 Magazine January 1994 (#400) Using the World's Most Accurate Frequency Standard, Part 1 - Building a receiver for WWVB ...... K9EUI 10 Micro IDer - An easy-to-build automatic Morse code station identifier ...... KA9SZW, Pointer 18 The "Hula Loop" - A stationary bidirectional hybrid three-element delta loop ...... NH6XK 30 The Quad Charger - A constant current NiCd charger ...... K4GOK 34 EASY-PC Printed Circuit Layout Software - Want to get into computer-aided design (CAD)? ........
Keywords: radio; amateur; antenna; mhz; repeater; ham; power; frequency; amateur radio; radio today; power supply; ham radio; feedback card; matching case; case set; flea market
Downloads: 2,546
[texts]73 Magazine (January 1991)
73 Magazine January 1991 (#364) High Precision Frequency Standard - Use your TV set as a laboratory standard ...... Johnson 9 Scrounger's Guide to Recycled Electronics - Discover a gold mine of inexpensive parts ...... W5FG 22 An HF/VHF/UHF Marker Generator - Get on frequency for less than $10 ...... K84ZGC 27 A Parallel Port I/O Board - Control your world! ...... VE6BGL 29 The Three-Terminal Regulator - Multiple uses in one package ........
Keywords: radio; amateur; antenna; mhz; frequency; ham; output; tor; amateur radio; radio today; ham radio; feedback card; power supply; center conductor; rose parade; radio club
Downloads: 1,958
[texts]73 Magazine (February 1997)
73 Magazine February 1997 (#437) Amateur Radio and Linux - Software home-brewing is here! ...... W9IF 10 Elegant Rotating Revisited - An enhanced Beam-aiming circuit ...... W1ZZB 17 Antenna Tuners - Do we really need them? ...... W6YBT 21 The Topbander - A cheap and easy antenna tuner for 160 meters ...... W8ND 23 Build The Turbo Digi-Sniffer - A simple-to-make digital field strength meter ...... AH2HR/5 26 Sumas Mountain High - Building a self-sufficient repeater tower on a British Colombian mo...
Keywords: radio; antenna; amateur; power; circuit; meter; ham; linux; antennas; amateur radio; radio today; power supply; feedback card; gel cell; ham radio; radio shack; morse code
Downloads: 2,116
[texts]73 Magazine (February 1990)
73 Magazine February 1990 (#353) Enforcing PRB-1 - Ham antenna lib is moving forward. Keep it up! ...... KA7FQW 9 The Great San Francisco Quake '89 - Hams do it again, beautifull...mostly ...... WA6ITF 18 Contest Quality Headset and Mike - Double duty for your VHF headset mike ......VE5XZ 10 Home-brew Spectrum Analyzer - Nothing like seeing what's going on ...... KE0UV 41 Protel Easytrax - What a breeze! PCBs on your PC ........
Keywords: radio; amateur; antenna; frequency; mhz; ham; icom; repeater; mobile; amateur radio; feedback card; front panel; ultra comshack; packet radio; power supply; antenna tuner; ham radio
Downloads: 2,272
[texts]73 Magazine (April 1998)
73 Magazine April 1998 (#451) De-Noising your PC - Cure the transmitter in your PC ...... WA9PYH 11 Modifying Your Ramsey Transceiver Kit - One stop closer to the ultimate ham experience ...... N0BLX 18 Out of Sight, Out of Mind - Discretion is the better part of neighborhood amity. Part 2: Hardware ...... WB4BNU 20 Techno-Trouble for Know-It-Alls - How many of these 50 questions can you answer correctly? ........
Keywords: antenna; radio; amateur; voltage; mhz; frequency; output; loop; power; amateur radio; radio today; feedback card; power supply; output voltage; flea market; single point; web site
Downloads: 1,741
[texts]73 Magazine (November 1982)
73 Magazine November 1982 (#266) A Perfect "10" - Timer, counter, logic probe - 10 functions in all. That's the Multi-Board One and you can build it ...... WA2BHB 10 Remote Control Your IC-701 - Simpler than commercial controllers, this home-brew circuit nevertheless features push-button band changing and frequency selection scanning, and expanded coverage ...... N2GW 14 Automatic Beam Aimer - Here is the scoop on adding set-and-forget convenience to your rotator control...
Keywords: antenna; output; circuit; mhz; voltage; audio; frequency; magazine; power; power supply; amateur radio; toll free; front panel; circuit board; gmt november; printed circuit; frequency range; fox tango
Downloads: 3,311
[texts]73 Magazine (November 1992)
73 Magazine November 1992 (#386) The QRP 80/40 CW Sender - QRP power and QRP cost ...... G2BZQ 8 The Noise Remover - A simple, effective way to get rid of the static ...... K8MKB 12 An All-Band HF Mobile Antenna - Efficient and inexpensive ...... KC4TMT 18 Spread Spectrum Primer - What is spread spectrum, anyway? ...... KC6YJY 29 The JRL-2000 HF MOSFET Linear Amplifier - A solid-state, no-tune kilowatt with very advanced features ........
Keywords: radio; amateur; ihe; antenna; mhz; repeater; ham; frequency; spectrum; amateur radio; spread spectrum; radio today; feedback card; ham radio; power supply; field strength; packet radio
Downloads: 2,582
[texts]73 Magazine (October 1990)
73 Magazine October 1990 (#361) Dual Voltage Bench Supply - Versatile solution for your power supply needs ...... W6WTU 10 The SPC Transmatch - Improved performance for 20 through 10 meters ...... W4RNL 22 ROBO-COPY - Automate your shack with a CW copier ...... WB9DYI 28 An Easy to Make 2 Meter Antenna - Make a strong J-Pole from an old TV antenna ...... AA5KB 32 Solar Car Race - Searching for an alternative ........
Keywords: radio; amateur; antenna; mhz; ham; qsl; frequency; ihe; amateur radio; feedback card; ham radio; power supply; qsl manager; qsl cards; morse code; dual band
Downloads: 2,357
[texts]73 Magazine (June 1997)

Keywords: antenna; radio; amateur; ihe; signal; frequency; voltage; mhz; arc; amateur radio; radio today; ham radio; feedback card; red cross; radio service; fully wired; flea market
Downloads: 2,071
[texts]73 Magazine (May 1997)
73 Magazine May 1997 (#440) Build an Audio Multiplexer for Your Frequency Counter - Count CTCSS tones without expensive commercial equipment ...... KB8XI 10 Build The Bioelectrifier - Can you heal yourself and take a poke at the medical establishment at the same time? ...... W6WTU 13 Multi-Band Remotely-Tunable Inverted L Antenna - Heres a neat 160-40m wire antenna project using flexible parts-placement techniques ........
Keywords: radio; amateur; antenna; signal; frequency; thai; circuit; ham; amateur radio; radio today; front panel; ham radio; web site; flea market; power supply; frequency counter
Downloads: 2,271
[texts]73 Magazine (August 1999)
73 Magazine August 1999 (#466) PIC-based DTMF Project - Build this decoder and learn ...... KC3XM 10 How to Turn a Deaf Ear - with your antenna ...... VK2AT 13 Secrets of Transmission Lines - Part 1: Intro and dummy load project ...... KE2QJ 16 Kiwi SSTV - How they do it in ZL-Iand ...... ZL1AAN 20 All About Op Amps - And then some ...... W2GOM/7 24 The Missing Link: A PSK Interface - Stop just reading about it - put this new mode into action! ........
Keywords: radio; amateur; antenna; ham; power; meter; mfj; ihe; mhz; amateur radio; radio today; power supply; web site; feedback card; solar panel; phase shift; heavy duty
Downloads: 1,846
[texts]73 Magazine (March 1995)
73 Magazine March 1995 (#414) A Practical Weather Satellite Receiving System, Part 1 - Set up your own satellite receiver/decoder ...... ZRBUM 10 HF-5AT Antenna - An easy-to-build dual-band HF satellite antenna ...... AC3L 24 Grounding and lightning Protection, Part 2 - Effective RF grounding for the shack ...... W5UOJ 26 The Azden PCS-7200 - A solid 222 MHz mobile transceiver ...... WB2WIK/6 32 Ham University Interactive - Learn code and theory, and play CW games ........
Keywords: radio; mhz; amateur; antenna; ham; frequency; mfj; output; repeater; amateur radio; radio today; ham radio; feedback card; weather satellite; morse code; case set; power supply
Downloads: 2,080
[texts]73 Magazine (October 1992)
73 Magazine October 1992 (#385) Packet on the Mac - Connect with the world without a TNC ...... KD6CMT 8 A 2 Meter FET Amplifier for Your Handheld - Build this simple, inexpensive amplifier ...... AA4AW 20 A New Look at Loop Antennas - Adding regeneration to ferrite-core and open-wire box loops ...... W2IMB 28 Baby Loopy - A half-wave, inductively-loaded loop ...... NH6XK 34 Noise Reduction Using Broadband Active Whip Antennas - Clear reception for the VLF/LF bands ........
Keywords: radio; amateur; antenna; mhz; ihe; packet; ham; power; meter; amateur radio; radio today; feedback card; packet radio; ham radio; power supply; circuit board; serial port
Downloads: 3,230
[texts]73 Magazine (September 1990)
73 Magazine September 1990 (#360) Quick and Easy Field-Strength Meter - Home-brewing can be simple! ...... KM4KT 9 75 Meter 1/4-Wave Sloper Array - Confessions of a contester ...... WA3EKL 18 Alinco Service Survey - Alinco may be the best show in town ...... WB6NOA 20 Dummy loads for DC Supplies - Don't risk your rig! ...... VE1GM 22 Mobile Power Source Organizer - Easy 12 volt hookups for your mobile gear ........
Keywords: radio; amateur; antenna; mhz; frequency; ham; power; amateur radio; feedback card; power supply; ham radio; flea market; pvc pipe; heavy duty
Downloads: 1,907
[texts]73 Magazine (January 1990)
73 Magazine January 1990 (#352) The King and Us - King Hussein VE6JY1 visits the Canadian West ...... McGregor, VE6VIP 9 Poor Man's Service Monitor - A must for serious FM experimenters ...... N6MWS 10 The 1 1/4 Meter Serendipity Antenna - Convert your Bearcat scanner antenna into a real hot-shot on 220 MHz ...... KA1LCC 18 Painless PCBs - How do you design a printed circuit board from a schematic? Read this for some handy pointers ........
Keywords: amateur; radio; mhz; frequency; antenna; ham; meter; amateur radio; feedback card; ham radio; power supply; packet radio; front panel; high performance; high speed
Downloads: 2,159
[texts]73 Magazine (June 1994)
73 Magazine June 1994 (#405) MRP4 Solar Panel Control Circuit - Build this easy charge controller for your sun-powered station! ...... WB8VGE 10 Surplus Solar: Is It for You? - An affordable alternate backup power system ...... N7MGT 18 Used Batteries for Ham Stations - Another way to save money on power systems ...... N7MGT 22 All About Those Lightweight HF Ham Whips - Easy mobile operating from 160 to 10 ........
Keywords: radio; mhz; amateur; ham; antenna; frequency; battery; amateur radio; radio today; ham radio; feedback card; card circle; power supply; matching case; case set
Downloads: 1,994
[texts]73 Magazine (February 1994)
73 Magazine February 1994 (#401) VHF Meteor Scatter Propagation - Bounce your signal beyond the horizon ...... WB2WIK/6 10 Using the World's Most Accurate Frequency Standard, Part 2 - Building a digital phase comparator ...... K9EUI 18 Computer Control for Your Direct Digital Synthesis (DDS) VFO - Free yourself of the hassles of generating an accurate and stable sinusoidal signal-and more! ...... VE1ABC 26 ASCII-to-Morse-Code Interface - Let your keyboard do the work ........
Keywords: radio; amateur; frequency; mhz; antenna; power; meter; ham; amateur radio; radio today; ham radio; power supply; feedback card; case set; matching case; meteor scatter
Downloads: 2,672
[texts]73 Magazine (December 1992)
73 Magazine December 1992 (#387) The Techno-Whizzy 1, Part I - Build a direct digital synthesis (DDS) radio ...... N9JZW 8 The Key to Unlocking the HTX-100 - Improved RIT control ...... AC3L 20 Is 2 Meters Hazardous to Your Health? - How to calculate safety ...... N1II 28 Build a LiTZ Decoder - Touch-tone control your speaker for emergency alerts ...... KA5RZI, N7IOB 30 Iambic Keyer Paddles - A wide array of choices ........
Keywords: radio; amateur; mhz; paddle; ihe; antenna; frequency; ham; digital; amateur radio; radio today; feedback card; power supply; ham radio; contact spacing; radio fun; iambic paddle
Downloads: 2,648
[texts]73 Magazine (April 1992)
73 Magazine April 1992 (#379) The Arrow Antenna - Hit the bull's-eye with this portable VHF sharp shooter ...... KA0VFF/N0IMW 10 The Plumber's Delight - A new look for the J-pole! ...... KB6EPO 16 The Flower Pot Special - Plant your antenna! ...... N1GPH 18 The Rock Bender QRP Transmitter - Win QSOs and influence crystals ...... WI5W 22 Monoband Yagi for 20 Meters - More dBs for the buck ...... AB4GX 30 The SAM1 Transverter - For the challenge of LF/VLF ........
Keywords: antenna; amateur; mhz; frequency; meter; amateur radio; repeater; radio; feedback card; radio today; call call; matching case; power supply; flea market; ham radio
Downloads: 2,289
[texts]73 Magazine (September 1998)
73 Magazine September 1998 (#456) The Ultimate Green Radio - great "Beginners Night" project! ...... W7DE 10 What's the Scoop on the Lazy Loop? - Here's how multi-band wire antennas measured up in real-world comparisons ...... WA2UGT 16 Intro to Superhets - Part 2: From oscillators to detectors ...... W5WTU 22 Building the NHRC-4 Linking Repeater Controller - And get with the program ...... N1KDO, KA1OKQ, N1LTL 28 Multibanding the Fracvert Half-Wave - Here's a wire vertical with surprising perfo...
Keywords: antenna; radio; amateur; ihe; signal; receiver; ham; audio; coax; amateur radio; radio today; ham radio; gamma match; web site; incoming signal; power supply; morse code
Downloads: 1,941
[texts]73 Magazine (June 1996)
73 Magazine June 1996 (#429) The Discharger - A NiCd nurse you really should build ...... K4GOK 10 Wheelchair Mobile - Dave Skinner KC5NLK operates from his wheelchair ...... WD5BIV 20 Upgrading Your Transmatch - Make your buddies sick with envy by adding a Ten-Toc tuning bridge ...... KJ7FX 22 Foxhunting Deluxe - A compact antenna switching unit for Doppler DF ...... K4CHE 28 The 2 Meter Diamond Beam - It could be a real gem in the rough ........
Keywords: radio; antenna; amateur; ihe; voltage; power; circuit; meter; ham; amateur radio; radio today; battery pack; field day; simplex repeater; power supply; ham radio; red led
Downloads: 1,818
[texts]73 Magazine (February 1995)
73 Magazine February 1995 (#413) Dual Bi-Square Loop for HF - Try this easy, low-cost approach on 20 and 2 meters ...... K5DKZ 18 Reading Morse Code on Your PC - Decipher Morse code right off the air, or improve your own fist ...... W6PRO 22 Cheap Dual-Band Yagi - A fine VHF/UHF beam made from old TV antennas ...... KA0NAN 46 Grounding and Lightning Protection, Part 1 - Protect your shack and yourself from lightning ........
Keywords: radio; antenna; amateur; mhz; frequency; ham; meter; antennas; power; amateur radio; radio today; ham radio; feedback card; morse code; output power; matching case; aluminum tubing
Downloads: 2,271
[texts]73 Magazine (May 1996)
73 Magazine May 1996 (#428) Build the Bioelectrifier - Heal yourself and take a poke at the medical establishment the same time! ...... WA8YKN 10 Belcher Islands DXpedition - Take off to the Great White North ...... VE3WFS 20 A 220 Super J-Pole Antenna - 220 -Use it or loose it. Here's a simple, inexpensive one-hour building project ...... KA0NAN 26 The Difference Is Dedication - Ham radio Saves four communities ........
Keywords: antenna; radio; amateur; mhz; frequency; power; hams; ham; meter; amateur radio; radio today; feedback card; case set; matching case; power supply; test equipment; flea market
Downloads: 1,695
[texts]73 Magazine (November 1997)
73 Magazine November 1997 (#446) How to Design Your Own HF Antenna - No excuses after this ...... VA3ACK 10 Readin', Writin', and Robotin' - Is your high school entered in FIRST? ...... Gray 17 Our Friend Pythagoras - Pop quiz: Who can state the Pythagorean Theorem? ...... N0BLX 19 Electronic Construction from A to Z - Everything you wanted to know about building stuff but were afraid to ask ........
Keywords: radio; amateur; antenna; voltage; thai; ham; power; meter; radio today; amateur radio; power supply; low power; ham radio; load bank; printed circuit; field day
Downloads: 2,384
[texts]73 Magazine (September 1995)
73 Magazine September 1995 (#420) Simple J-Type 10m Vertical - For more versatile DXing ...... W6IOJ 10 Tuner Helper - An easier (and safer) way to tune your antenna while driving ...... K3PUR 14 Just Another Loop Antenna - Or is it? ...... WB2EGQ 20 A Discone Antenna for 10 Meters - It looks like a bird cage, but works like a yagi ...... W1ZB/6 32 Check Your SWR Bridge - Think you have a good bridge? Find out for sure ........
Keywords: antenna; radio; amateur; frequency; receiver; power; ham; mhz; radio today; amateur radio; feedback card; case set; ham radio; tuner helper; current distribution; matching case
Downloads: 1,788
[texts]73 Magazine (April 1989)
73 Magazine April 1989 (#343) Hamfest Survival Guide - Tips on how to more wisely shop for hamfest gear ...... WB9IVR, AA4QA 20 Stay With the State Of The Art - Keep in the know without blowing your budget ...... W1UO 52 Powerful Crystal Set - Better reception on a classic no-power rig ...... Haas 12 Quick and Easy 2m/440 MHz Antenna - Ideal for your dual-band HT -and costs pennies to build! ........
Keywords: antenna; radio; amateur; mhz; frequency; meter; antennas; ham; band; amateur radio; feedback card; flea market; packet radio; ham radio; power supply; beep switch; front panel
Downloads: 2,117
[texts]73 Magazine (August 1995)
73 Magazine August 1995 (#419) Tube TNC - A packet breakthrough! ...... W0XI 10 VE7PMR Solar-Powered Packet Node - Is packet worth nearly freezing on a mountain? Sure! ...... VE7VMS 12 19,200-Baud Packet - A simple way to do it ...... WB9JTK 16 RF Speech Processing - How to get an extra 6 to 9 dB of talk power on SSB ...... VK3CA 24 Working the Final Frontier - Ideas for a fun and easy ham space program ........
Keywords: radio; amateur; antenna; mhz; packet; output; power; ham; radio today; amateur radio; ham radio; cold fusion; packet radio; remote control; power supply; feedback card
Downloads: 2,052
[texts]73 Magazine (August 1986)
73 Magazine August 1986 (#311) A Packet Primer - For the totally bewildered -learn the mechanics of packet without having to ask embarrassing questions ...... W1BEL 28 How To Make Friends At 1200 Baud - Answers the question "What do I do with it?" that you asked after reading the primer. This article explains the operating side of packet ...... W2JUP 34 Precision Packet Tuning - Complete plans for building what could be the world's best packet/RTTY tuning indicator...
Keywords: packet; amateur; radio; bbs; tnc; frequency; digital; mhz; repeater; ham; amateur radio; packet radio; power supply; ham radio; amateur packet; front panel; packet stations; tuning indicator
Downloads: 2,018
[texts]73 Magazine (June 1998)
73 Magazine June 1998 (#453) A Pentium-Style Positive and Negative PS - Reading about new technology is great, but using it is even better! ...... N4UAU 10 The Fun Radio - or, wasn't this what attracted you to the hobby in the first place? ...... W6WTU 17 Meet the Marvelous MicroVert - A 20-inch vertical for 20 meters? ...... W4DXV 21 Home-Brew This Power Cube - First step in rebuilding your vintage RF deck ........
Keywords: radio; amateur; ham; antenna; power; mhz; june; frequency; hams; amateur radio; radio today; ham radio; feedback card; web site; air force; power supply; field day
Downloads: 1,919
[texts]73 Magazine (August 1989)
73 Magazine August 1989 (#347) Find Your Signal the First Time! - How to quickly deal with Doppler shift on the hamsats ...... AA6CQ/VE6 44 JEZ-Jugendelektroniczentrum - First-class ham education program ...... HB9DU 46 CTCSS, Fast and Cheap - Simple PL tone board project ...... N6UE 13 COCOA-A COllinear Coaxial Array - Deluxe 80m wire antenna ...... W2OZH 34 Control Your Rig from a PC - This project lets your rig and home computer talk to each other ........
Keywords: radio; amateur; frequency; antenna; mhz; kam; meter; signal; ham; amateur radio; power supply; feedback card; ham radio; radio shack; doppler shift; dual band; teur radio
Downloads: 1,797
[texts]73 Magazine (January 1988)
73 Magazine January 1988 (#328) Welcome, Newcomers! - Let's talk about it! ...... KA1HY 4 Working the World Fast - Heed this advice and you can't miss ...... N6HYK 11 W87PAX: DXing from the Pan American Games - A record-breaking success ...... KA9OIH 14 Troubleshooting Tricks #1 - The road to repair is easier than you think ...... Harshbarger 26 The Colvins - DXing is the life for Lloyd and Iris ........
Keywords: amateur; mhz; radio; frequency; antenna; ssb; island; net; ham; amateur radio; mhz daily; feedback card; ham radio; power supply; antenna tuner; top mounted; toll free
Downloads: 2,351
[texts]73 Magazine (December 1995)
73 Magazine December 1995 (#423) A Portable Integrated 20 Meter SSB/CW QRP Ham Radio Station - A ten pound powerhouse ...... KB4ZGC 10 Nostalgia For The Future - High performance crystal radio utilizes a high-efficiency JFET detector and dual resonant circuits for superior performance ...... KC3ZQ 14 A Perspirational Message ...... W2NSD/1 17 Jan Mayen - A Special DXCC Country ...... AJ0N/LA6US 18 Key It! ........
Keywords: radio; amateur; antenna; ham; repeater; power; mhz; ihe; hams; amateur radio; radio today; ham radio; feedback card; power supply; antenna tuner; call sign; jan mayen
Downloads: 2,981
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